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OpenStudy (anonymous):
Which method (system of equations) is the best for finding the solution of the following equation: 7x - 3y = 20 5x + 3y = 16 A. Graphing Method B. Substitution Method C. Elimination Method
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OpenStudy (anonymous):
Elimination.
OpenStudy (anonymous):
Also, why is it the best method?
OpenStudy (anonymous):
By simply adding the two equations, you eliminate y from the equation and retain equation in x.
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